ul.pg-tree {
  list-style: none;
  padding-left: 26px;
  margin-bottom: 0;
}

.pg-tree {

  li {
    margin-top: 15px;
  }

  ul {
    list-style: none;
    padding-left: 26px;
    margin-bottom: 0;
  }

  .icon {
    position: absolute;
    top: 1px;
    left: 0;
    color: #999;
    cursor: pointer;
  }
}